1 --> 2 --> 3 -->
3a --> 4 --> 9F0923E3-9A66-407B-AEE1-42074F116A22 -->
20170121 124903 --> 20170121 125008 --> 20170121 125417 -->
BB993F54-38BF-4D06-8064-B26D56C44108 --> C0D03E56-B093-48EA-B6D5-5F1089AF5715 --> EEAB2B2C-4588-46B6-BF3B-BE85E6A94318 -->